KR200494115Y1 - Servo driver relay device - Google Patents

Abstract

The present invention relates to a servo amplifier relay device connected to a servo amplifier and a plurality of sensor devices to provide a sensor signal for controlling a motor connected to the servo amplifier, and for this purpose, each of the plurality of sensor devices is the servo amplifier relay device It has a power terminal wire for supplying power to a forward limit switch (FLS) signal, a reverse limit switch (RLS: Reverse Limit Switch) signal, an origin signal (DOG signal), and an electromagnetic brake interlock signal (MBR). signal), and the servo amplifier repeater includes at least two sets of a forward limit switch signal, a reverse limit switch signal, an origin signal, and an electromagnetic brake interlock signal as one set. A servo amplifier connected to a sensor device to be connected and provided with a connector corresponding to the number of sets, each power terminal line of the sensor device is connected to receive power and branched, and applied power to each of the connectors to be connected to each of the connectors In addition to supplying power to the set, it is possible to provide a power branching type servo amplifier relay device characterized in that the sensor signal applied from the sensor device corresponding to the set is applied to the servo amplifier through the connector.

Description

Power branch type servo amplifier relay device {Servo driver relay device}

The present invention relates to a power branching type servo amplifier repeater capable of supplying power required for signal processing as well as a servo amplifier by branching power supplied from a sensor device.

In the field of FA (Factory Automation), the construction of a high-level communication system that detects the operation state of an industrial device or its surrounding environment state with various sensors and utilizes the detected signal in a control device is required. As one of them, there is a servo amplifier system that performs drive control of an industrial device.

In general, a servo system includes a motor, a servo amplifier that drives the motor, and a controller that transmits a drive command to the servo amplifier. In the vicinity of the rotation axis of the motor, an encoder for detecting rotation information such as an angle or an angular velocity is mounted in order to control the rotation of the motor. The servo amplifier controls the motor based on the drive command transmitted from the controller and the rotation information of the motor transmitted from the encoder.

Meanwhile, the servo amplifier system may control the electronic brake motor connected to the servo amplifier.

The electromagnetic brake motor is a motor that has an electromagnetic brake built into the motor case, and is designed to operate the brake when electricity is cut off (off) and release the brake when electricity is applied (on) to the motor.

These electronic brake motors are used in various industrial sites. In particular, in the case of an automobile production process, a very large number of electromagnetic brake motors are used in a press process, a body assembly process, a painting process, a design process, and an inspection process.

In addition, the causes of damage to the electronic brake motor are very diverse. The main causes of breakage of the brake motor can be divided into electrical causes and mechanical causes.

As an electrical cause, when an overcurrent that exceeds the rated current range occurs, the Joule heat rapidly increases and the winding temperature increases.

Alternatively, the insulation of the motor winding and the lead-in line is weakened by the heat accumulated due to the long-term use of the motor, and the insulation of the motor winding is weakened due to moisture or corrosive gas, resulting in a short circuit, resulting in a short circuit.

Another cause, a mechanical cause, is the wear of the brake disc friction plate or the loss of restoring force of the brake gap spring, which causes the motor to stop driving and cause malfunctions.

When the electronic brake motor used in the industrial field is damaged due to these various causes, the production line is stopped, and it takes a lot of time to find the cause of the stop and solve the problem.

In the case of sensor products, the operation status can be verified by operating the sensor after supplying power from the outside. there is.

On the other hand, a servo amplifier is an electronic amplifier used to power an electric servo machine, and can serve to monitor the feedback signal of the servo mechanism and continuously adjust for deviations from the expected operation.

The development of a device capable of relaying the servo amplifier as described above is urgently required.

Republic of Korea Patent Publication No. 10-2009-0094767 (published on Aug. 2009)

The present invention not only provides a sensor signal that can control the operation of the motor connected to the servo amplifier, but also splits the supplied power to supply the power required for signal processing and the power required for the operation of the servo amplifier. A servo relay is provided.

In addition, the present invention provides a power branch type servo relay device capable of monitoring the operating state of the sensor device through monitoring of the sensor signal.

The problem to be solved by the present invention is not limited to those mentioned above, and another problem to be solved that is not mentioned can be clearly understood by those of ordinary skill in the art to which the present invention belongs from the description below. will be.

In order to solve the above-described problem to be solved, a power branching type servo amplifier relay device according to an embodiment of the present invention is connected to a servo amplifier and a plurality of sensor devices to provide a sensor signal for controlling a motor connected to the servo amplifier In the servo amplifier relay device, each of the plurality of sensor devices is provided with a power terminal wire for supplying power to the servo amplifier relay device, a forward limit switch (FLS) signal, a reverse limit switch (RLS: and a signal line for applying one of a Reverse Limit Switch) signal, an origin signal (DOG signal) and an electromagnetic brake interlock signal (MBR signal), wherein the servo amplifier repeater includes a forward limit switch signal, a reverse limit switch signal, By using the origin signal and the electromagnetic brake interlock signal as one set, sensor devices corresponding to at least two sets are connected, and a connector corresponding to the number of sets is provided, and each power terminal wire of the sensor device is connected to supply power. and branching, applying power to each of the connectors to supply power to a servo amplifier connected to each of the connectors, and a sensor signal applied from a sensor device corresponding to the set may be applied to the servo amplifier through the connector.

According to an embodiment of the present invention, the servo amplifier relay device includes a sensor connection terminal block for receiving a signal by connecting the signal lines of each of the plurality of sensor devices, and a power branch terminal block for receiving power through the power terminal line and branching it and a circuit unit receiving a sensor signal input through the sensor connection terminal block and power branched by the power branch terminal block and applying a signal to the connector.

According to an embodiment of the present invention, the sensor connection terminal block may include a plurality of sensor input terminals to which signal lines of each of the plurality of sensor devices are connected.

According to an embodiment of the present invention, the power branch terminal block may be configured with a plurality of power input terminals to which power terminal lines of each of the plurality of sensor devices are connected.

According to an embodiment of the present invention, the servo amplifier relay device is connected in parallel to one end receiving power branched from the power branch terminal block, and receiving each sensor signal at the other end, a sensor operation state composed of a plurality of light emitting diodes that emit light It may further include a display unit.

According to the problem solving means of the present invention described above, it is possible not only to provide a sensor signal for controlling the operation of the motor connected to the servo amplifier, but also to branch the supplied power to power necessary for signal processing and the operation of the servo amplifier. By providing a power branching type servo relay device capable of supplying power, it is possible to reduce the manufacturing cost and simplify the structure of the device because the operation of the servo amplifier and processing of the sensor signal are possible through one device.

In addition, according to the problem solving means of the present invention described above, by providing a power branch type servo relay device capable of monitoring the operation state of the sensor device through monitoring the sensor signal, the user can check the operation state at a glance It can provide convenience.

1 is a diagram showing the configuration of a servo amplifier relay device and a device connected thereto according to an embodiment of the present invention;
2 is a diagram illustrating the configuration of a circuit board of a servo amplifier relay device according to an embodiment of the present invention.
3 is a circuit diagram illustrating the configuration of a circuit unit for transmitting a sensor signal to a servo amplifier connector by a servo amplifier relay device according to an embodiment of the present invention.
4 is a circuit diagram illustrating the configuration of a circuit in which an operation state display unit in a servo amplifier relay device operates according to an embodiment of the present invention.

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. The following detailed description is provided to provide a comprehensive understanding of the methods, apparatus, and/or systems described herein. However, this is only an example, and the present invention is not limited thereto.

In describing the embodiments of the present invention, if it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. And, the terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to intentions or customs of users and operators. Therefore, the definition should be made based on the content throughout this specification. The terminology used in the detailed description is for the purpose of describing embodiments of the present invention only, and should not be limiting in any way. Unless explicitly used otherwise, expressions in the singular include the meaning of the plural. In this description, expressions such as “comprising” or “comprising” are intended to indicate certain features, numbers, steps, acts, elements, some or a combination thereof, one or more other than those described. It should not be construed to exclude the presence or possibility of other features, numbers, steps, acts, elements, or any part or combination thereof.

Hereinafter, a servo amplifier repeater and an operating method thereof will be described with reference to the accompanying drawings.

1 is a diagram illustrating the configuration of a servo amplifier relay device and a device connected thereto according to an embodiment of the present invention, and FIG. 2 is a diagram showing the configuration of a circuit board of a servo amplifier relay device according to an embodiment of the present invention 3 is a circuit diagram showing the configuration of a circuit part for the servo amplifier relay device according to an embodiment of the present invention to transmit a sensor signal to a connector for a servo amplifier, and FIG. 4 is a servo according to an embodiment of the present invention. It is a circuit diagram showing the configuration of the circuit in which the operation status display unit in the amplifier repeater operates.

1 to 4 , the system for operating the electronic brake motor 120 using the servo amplifier relay device is largely connected to the servo amplifier 100 and the servo amplifier 100 to operate the electronic brake motor 120 . ) and the servo amplifier relay device 200 .

The servo amplifier 100 may operate the electronic brake motor 120 based on the power applied from the servo amplifier relay device 200 and the sensor signal.

The sensor signal applied to the servo amplifier 100 is for the control of the electronic brake motor 120, a forward limit switch (FLS: Forward Limit Switch) signal, a reverse limit switch (RLS: Reverse Limit Switch) signal, an origin signal ( DOG signal) and electronic brake interlock signal (MBR signal).

In addition, the servo amplifier 100 can operate by receiving power from the servo amplifier repeater 200 , that is, the servo amplifier connector 240 that connects the servo amplifier 100 and the servo amplifier repeater 200 . In addition to receiving power through a 20-pin connector corresponding to , it is possible to control the operation of the electronic brake motor 120 by receiving a sensor signal applied from the sensor device 300 .

As described above, in order to provide a sensor signal to the servo amplifier 100, each sensor device 300 is connected to the servo amplifier repeater 200 to provide a forward limit switch (FLS) signal, a reverse limit switch (RLS). : Signal line 302 for applying Reverse Limit Switch) signal, origin signal (DOG signal) and electromagnetic brake interlock signal (MBR signal), +,- power terminal line for applying power to servo amplifier repeater 200 (304, 306) and the like may be provided.

The signal line 302 of each sensor device 300 may be connected to each sensor input terminal A1 to A4 and B1 to B4 of the sensor connection terminal block 210 of the servo amplifier relay device 200 .

In addition, the power terminal wires 304 and 306 of each sensor device 300 may be connected to respective power input terminals A5 to A10 and B5 to B10 of the power branch terminal block 220 of the servo amplifier relay device 200 . .

The method of connecting the signal line 302 to each of the sensor input terminals (A1 to A4, B1 to B4) and the method of connecting the power terminal wires (304, 306) to each of the power input terminals (A5 to A10, B5 to B10) A bolt-on method is available.

Here, for the bolt tightening method, each sensor input terminal (A1 to A4, B1 to B4) and each power input terminal (A5 to A10, B5 to B10) is a conductor type having a bolt fastening groove (not shown) It consists of an assembly and a bolt 10 that is fitted into the bolt fastening groove, and through this, the signal line 302 and the power terminal wires 304 and 306 are a conductor-type assembly, that is, a bolt fastening groove groove to which the bolt 10 can be coupled. After being coupled to a conductor-type assembly including

The servo amplifier relay device 200 according to the embodiment of the present invention branches the power applied through the power terminal wires 304 and 306 of the sensor device 300, that is, supplies the servo amplifier 100 as well as the sensor signal. It can branch to supply the circuitry needed for processing and the power needed to monitor the operating state.

In addition, the servo amplifier relay device 200 sets the forward limit switch signal, the reverse limit switch signal, the origin signal and the electromagnetic brake interlock signal as one set, and the sensor device 300 corresponding to at least two or more sets is connected and the set of It has a connector 240 for a servo amplifier corresponding to the number, and each power terminal wire 304 , 306 of the sensor device 300 is connected to receive power to branch, and power is supplied to each connector 240 for a servo amplifier. In addition to supplying power to the servo amplifier 100 connected to each of the connectors 240 for servo amplifiers, the sensor signal applied from the sensor device 300 corresponding to the set is transmitted through the connector 240 for servo amplifiers ( 100) can be applied.

To this end, the servo amplifier relay device 200 according to the embodiment of the present invention processes the sensor signal input through each sensor input terminal (A1 to A4, B1 to B4) of the sensor connection terminal block 210 to process the servo amplifier connector A circuit unit 230 for outputting through 240 may be provided.

The circuit unit 230 includes each signal input through each sensor input terminal A1 to A4 and B1 to B4 of the sensor connection terminal block 210 and each power input terminal A5 to A10 and B5 to of the power branch terminal block 220 . The photodiodes D1, D2, D3, D4, which operate (light emission) according to the power signal supplied through B10), and the transistors T1, T2 which operate according to the light emission of the photodiodes D1, D2, D3, and D4. , T3, T4) can be applied to each pin of the connector 240 for the servo amplifier.

In addition, the servo amplifier relay device 200 according to the embodiment of the present invention is a sensor signal applied from the sensor device 300 connected to each sensor input terminal (A1 to A4, B1 to B4) and the power branch terminal block 220 of the The sensor operation state display unit 250 may further include a light emitting diode (D) that flickers as power applied through each of the power input terminals A5 to A10 and B5 to B10 is input.

The sensor operation state display unit 250 may include a sensor operation state display unit 250 corresponding to each sensor device 300 . Specifically, the sensor operation state display unit 250 may be composed of a light emitting diode (D) that flickers according to the state of each signal, that is, a forward limit switch (FLS: Forward Limit Switch) signal, a reverse limit switch (RLS: Reverse). Limit Switch) signal, origin signal (DOG signal), electromagnetic break interlock signal (MBR signal), respectively, and a light emitting diode D that emits light according to a power signal.

That is, the forward limit switch (FLS) signal, the reverse limit switch (RLS) signal, the origin signal (DOG signal) and the electromagnetic brake interlock signal (MBR signal) according to the embodiment of the present invention are applied Each of the light emitting diodes D to be used may be connected to each other in parallel to receive power at one end, and each sensor signal to be applied at the other end.

According to the embodiment of the present invention as described above, a forward limit switch (FLS) signal, a reverse limit switch (RLS) signal, an origin signal (DOG signal) and an electronic brake interlock signal (MBR signal) ), eight sensor devices 300 corresponding to two sets are connected as a set of four sensor devices 300 that apply each, and 12 power input terminals A1 to A4 and B1 to B4 are connected. Although it has been described as an example of branching by supplying power through three or more sets of sensor devices 200 and corresponding power input terminals A5 to A10 and B5 to B10, the operation may be performed by receiving power.

For example, the servo amplifier repeater 200 operating at a ratio of 1:6 is a sensor composed of six servo amplifier connection connectors 240 to which six servo amplifiers 100 can be connected, and 24 sensor input terminals. A power branch terminal block 220 including a connection terminal block 210 and a plurality of power input terminals connected to the power terminals 304 and 306 of each sensor device 300 may be provided.

The operation of the servo amplifier repeater 200 according to the embodiment of the present invention as described above will be described below.

First, each signal line 302 of the sensor device 300 is connected to each sensor input terminal of the sensor connection terminal block 210 , and each power line 304 , 306 of the sensor device 300 is connected to the power branch terminal block 220 . ) to each power input terminal.

Accordingly, the sensor signal (FLS signal, RLS signal, DOG signal, MBR signal) input through each sensor input terminal of the sensor connection terminal block 210 and the power signal applied to the power input terminal of the power branch terminal block 220 are It may be applied to the circuit unit 230 .

The circuit unit 230 may be applied to each pin of the connector 240 for the servo amplifier through the photodiodes D1, D2, D3, D4 and transistors T1, T2, T3, and T4 emitted by each sensor signal. there is.

In addition, each sensor signal and the power signal applied through the power branch terminal 220 may be applied to each light emitting diode D of the sensor operation state display unit 250 . In this case, when a normal sensor signal is applied, the light emitting diode D may emit light. Through this, the user can know whether the sensor device 300 is operating normally.

On the other hand, according to the embodiment of the present invention, although the electronic brake motor 120 has been described as an example to be connected to the servo amplifier 100, various electronic motors such as a servo motor may be connected,

The above description is merely illustrative of the technical idea of the present invention, and various modifications and variations are possible without departing from the essential characteristics of the present invention by those skilled in the art to which the present invention belongs. Therefore, the embodiments expressed in the present invention are not intended to limit the technical idea of the present invention, but to explain, and the scope of the present invention is not limited by these embodiments. The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas that are equivalent to or within the equivalent range should be interpreted as being included in the scope of the present invention.

100: servo amplifier driver
120: electronic brake motor
200: servo amplifier repeater
210: sensor connection terminal block
220: power branch terminal block
230: circuit part
240: connector for servo amplifier
250: sensor operation status display unit
300: sensor device

Claims (5)

A servo amplifier relay device connected to a servo amplifier and a plurality of sensor devices to provide a sensor signal for controlling a motor connected to the servo amplifier,
Each of the plurality of sensor devices,
and a power terminal wire for supplying power to the servo amplifier relay device,
It has a signal line for applying one of the forward limit switch (FLS) signal, the reverse limit switch (RLS) signal, the origin signal (DOG signal) and the electromagnetic brake interlock signal (MBR signal). and
The servo amplifier relay device,
Sensor devices corresponding to at least two sets are connected by combining the forward limit switch signal, the reverse limit switch signal, the origin signal, and the electromagnetic brake interlock signal as one set, and having a connector corresponding to the number of the sets, Each power terminal line is connected to receive power and branched. In addition to supplying power to the servo amplifier connected to each of the connectors by applying power to each of the connectors, a sensor signal applied from a sensor device corresponding to the set is applied to the connector. A power branching type servo amplifier repeater, characterized in that it is applied to the servo amplifier through
According to claim 1,
The servo amplifier relay device,
A sensor connection terminal block for receiving a signal by connecting the signal lines of each of the plurality of sensor devices;
a power branch terminal block receiving power through the power terminal wire and branching;
and a circuit unit receiving the sensor signal input through the sensor connection terminal block and the power branched by the power branch terminal block and applying a signal to the connector.
3. The method of claim 2,
The sensor connection terminal block,
and a plurality of sensor input terminals to which signal lines of each of the plurality of sensor devices are connected.
3. The method of claim 2,
The power branch terminal block,
A power branching type servo amplifier relay device, characterized in that it is composed of a plurality of power input terminals to which power terminal wires of each of the plurality of sensor devices are connected.
3. The method of claim 2,
The servo amplifier relay device,
Power branching type servo amplifier, which is connected in parallel and further comprises a sensor operation state display unit composed of a plurality of light emitting diodes that receive power branched from the power branch terminal block at one end and receive respective sensor signals at the other end to emit light relay device.

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